Git up to 2.12.2 git-shell access control

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Git up to 2.12.2. It has been rated as critical. This affects an unknown function of the component git-shell. This manipulation causes access control. This vulnerability is registered as CVE-2017-8386. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Git up to 2.12.2 (Versioning Software). Affected by this vulnerability is an unknown function of the component git-shell. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 05/10/2017. The weakness was published 05/10/2017 by Timo Schmid (Website). It is possible to read the advisory at public-inbox.org. This vulnerability is known as CVE-2017-8386 since 05/01/2017. The attack can be launched remotely. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 100643 (Amazon Linux AMI : git (ALAS-2017-842)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236437 (Red Hat Update for git (RHSA-2017:2004)).

Upgrading to version 2.4.12, 2.5.6, 2.6.7, 2.7.5, 2.8.5, 2.9.4, 2.10.3, 2.11.2 or 2.12.3 eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100643), SecurityFocus (BID 98409†) and SecurityTracker (ID 1038479†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100643
Nessus Name: Amazon Linux AMI : git (ALAS-2017-842)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703848
OpenVAS Name: Debian Security Advisory DSA 3848-1 (git - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Git 2.4.12/2.5.6/2.6.7/2.7.5/2.8.5/2.9.4/2.10.3/2.11.2/2.12.3

Timelineinfo

05/01/2017 🔍
05/10/2017 +9 days 🔍
05/10/2017 +0 days 🔍
05/10/2017 +0 days 🔍
05/15/2017 +5 days 🔍
05/16/2017 +1 days 🔍
06/01/2017 +16 days 🔍
06/06/2017 +5 days 🔍
06/07/2017 +1 days 🔍
12/06/2022 +2008 days 🔍

Sourcesinfo

Advisory: RHSA-2017:2004
Researcher: Timo Schmid
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8386 (🔍)
GCVE (CVE): GCVE-0-2017-8386
GCVE (VulDB): GCVE-100-101395

OVAL: 🔍

SecurityFocus: 98409 - Git CVE-2017-8386 Security Bypass Vulnerability
OSVDB: - CVE-2017-8386 - Git - Privilege Escalation Issue
SecurityTracker: 1038479

Entryinfo

Created: 05/16/2017 12:36
Updated: 12/06/2022 14:18
Changes: 05/16/2017 12:36 (78), 09/28/2020 20:16 (7), 12/24/2020 13:47 (2), 12/06/2022 14:18 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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